That's impressive, although a dramatically easier problem than I was picturing. Imagine nighttime, having to pass an accident, which means driving on the wrong

That's impressive, although a dramatically easier problem than I was picturing. Imagine nighttime, having to pass an accident, which means driving on the wrong side of the street with other cars beyond the accident waiting, and someone (quite possibly a civilian) waving you on. Heck, I've been flagged down by a prostitute who wanted to get away from her John, running down the middle lane of an interstate at 2am. That was, admittedly, not a common scenario for a self-driving vehicle to have to deal with.